Inventor · disambiguated record
Richard Porterfield
Also filed as: PORTERFIELD RICHARD · PORTERFIELD RICHARD F
11 granted patents·116 citations·filing 1977–2019
89Inventor score
Top patents by PatentIndex Score
11 records- 0182US10697585B1Fluid dispensing apparatus for dispensing oil or greasePORTERFIELD RICHARD·Filed 2019·Granted Jun 30, 2020·3 cites·9 claims
- 0273US4735341AFeeder for electrical component supply tapesUNIVERSAL INSTRUMENTS CORP·Filed 1986·Granted Apr 5, 1988·34 cites·6 claims
- 0368US4887351APick and place nozzle with concentric groovesUNIVERSAL INSTRUMENTS CORP·Filed 1988·Granted Dec 19, 1989·37 cites·7 claims
- 0447US4140407ARibbon feed mechanism responsive to case shaft mechanism and printing mechanismSCM CORP·Filed 1977·Granted Feb 20, 1979·6 cites·10 claims
- 0543US4769904AMethod and apparatus for handling leaded and leadless surface mountable componentsUNIVERSAL INSTRUMENTS CORP·Filed 1987·Granted Sep 13, 1988·10 cites·22 claims
- 0640US4131374ADual segment continuous motion ribbon feed mechanismSCM CORP·Filed 1977·Granted Dec 26, 1978·3 cites·9 claims
- 0739US4543705AAxial-lead component sequencing and inserting apparatusUNIVERSAL INSTRUMENTS CORP·Filed 1984·Granted Oct 1, 1985·6 cites·30 claims
- 0834US4838452AShutter system for electrical component supply tape feederUNIVERSAL INSTRUMENTS CORP·Filed 1987·Granted Jun 13, 1989·6 cites·14 claims
- 0933US5051555AHot-bar suspension systemUNIVERSAL INSTRUMENTS CORP·Filed 1990·Granted Sep 24, 1991·9 cites·8 claims
- 1027USRE35180EHigh frequency thermode driven device employing one-turn-secondary transformersCAPITAL FORMATION INC·Filed 1992·Granted Mar 19, 1996·1 cites·8 claims
- 1127US5068509AHigh frequency thermode driven device employing one-turn-secondary transformersUNIVERSAL INSTRUMENTS CORP·Filed 1990·Granted Nov 26, 1991·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →